ImageMagick releases an invalid pointer in BilateralBlur when memory allocation fails
The BilateralBlurImage method will allocate a set of double buffers inside AcquireBilateralTLS. But the last element in the set is not properly initialized. This will result in a release of an invalid pointer inside DestroyBilateralTLS when the memory allocation fails.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Magick.NET-Q16-AnyCPU | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q16-arm64 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q16-HDRI-AnyCPU | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q16-HDRI-arm64 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q16-HDRI-OpenMP-arm64 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q16-HDRI-OpenMP-x64 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q16-HDRI-x64 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q16-HDRI-x86 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q16-OpenMP-arm64 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q16-OpenMP-x64 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q16-OpenMP-x86 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q16-x64 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q16-x86 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q8-AnyCPU | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q8-arm64 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q8-OpenMP-arm64 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q8-OpenMP-x64 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q8-x64 | < 14.10.2 | 14.10.2 |
| .NET (NuGet) | Magick.NET-Q8-x86 | < 14.10.2 | 14.10.2 |
References
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-39h3-g67r-7g3c
- https://nvd.nist.gov/vuln/detail/CVE-2026-22770
- https://github.com/ImageMagick/ImageMagick/commit/3e0330721020e0c5bb52e4b77c347527dd71658e
- https://github.com/ImageMagick/ImageMagick
- https://github.com/dlemstra/Magick.NET/releases/tag/14.10.2
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H- Weakness (CWE)
CWE-763- Platform
- .NET (NuGet)
- Package
Magick.NET-Q16-AnyCPU, Magick.NET-Q16-arm64, Magick.NET-Q16-HDRI-AnyCPU- Disclosed
- 20.01.2026
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-39h3-g67r-7g3c - CC BY 4.0
Vulnerability history: Magick.NET-Q16-HDRI-OpenMP-arm64
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 160
- First → latest
- 07.2025 09.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- High 24
- Medium 96
- Low 40
Disclosures per year
- 2025: 14
- 2026: 146
-
ImageMagick releases an invalid pointer in BilateralBlur when memory allocation fails this entry
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